/**
 * http://usejsdoc.org/
 * @class productB
 */
var Product = require("./product"),
	util = require("util");

/**
 * @desc 定义ProductB 函数类 
 */
function ProductB(){
	Product.call(this);
	this.getProduct = function(){
		console.log("product is get from class of ProductB");
	};
}

/**设置ProductB 继承Product类*/
util.inherits(ProductB, Product);

/**暴露ProductB类*/
module.exports = ProductB;